<ion-header>
  <ion-toolbar>
    <ion-buttons slot="start">
      <ion-back-button></ion-back-button>
    </ion-buttons>
    <ion-title>{{ item.title }}</ion-title>
    <ion-buttons slot="end">
      <ion-button (click)="downClick()">
        <ion-icon slot="icon-only" color="danger" name="thumbs-down"></ion-icon>
      </ion-button>
      <ion-button (click)="upClick()">
        <ion-icon slot="icon-only" color="primary" name="thumbs-up"></ion-icon>
      </ion-button>
    </ion-buttons>
  </ion-toolbar>
</ion-header>

<ion-content>
  <ion-text>
    {{ item.content }}
  </ion-text>
</ion-content>